When is a Barrier Seal ‘not’ a Seal?

Cable Construction, Product Design, Skill Level, Time. These are all factors that can determine the effectiveness of barrier seals, which, after installation, are impossible to determine if they have been installed correctly or not. Modern Hazardous Location design methods try to limit the number of cable seals to a minimum, however, when cables are required to be sealed, it is critical that the seal is installed correctly to ensure that the integrity of the explosion protection method is maintained. This statement seems very simple and straight forward but the reality is anything but.

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